In the latest sman.sprx update the internal web server will use threads to serve files/images content. It will no longer hold the whole www client thread and will release the resources immediatelly greatly improving performance and stability. Until now if you download something big via the web interface and then try to browse games or refresh sman would lock, but not anymore..
There were some issues with displaying images/files from network locations (ps3netsrv) using the webbrowser but it is now ok. There are also some other minor fixes.
Network/ps3netsrv locations should now support about 3200 files (1600 ISO games + 1600 images for example).
p.s. sprx is updated again. If someone with a lot of network games can test it - let me know. I tested it with a folder with 9000 files and it handles 3200 to 3300, so it works. :)